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Employee Benefits - Further Information Related to Plans (Details) - USD ($)
$ in Thousands
12 Months Ended
Apr. 29, 2023
Apr. 30, 2022
Apr. 24, 2021
Non-Qualified Defined Benefit Retirement Plan      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Discount rate used to determine obligation 5.30% 4.30%  
Actuarial loss recognized in AOCI $ 193 $ 306 $ 347
Benefit payments 1,091 1,182 $ 1,091
Other current liabilities | Performance Compensation Retirement Plan      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Plan obligation included in liabilities 2,103 1,922  
Other current liabilities | Non-Qualified Defined Benefit Retirement Plan      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Plan obligation included in liabilities 1,053 1,059  
Other long-term liabilities | Performance Compensation Retirement Plan      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Plan obligation included in liabilities 11,895 13,898  
Other long-term liabilities | Executive Deferred Compensation Plan      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Plan obligation included in other long-term liabilities 21,689 24,595  
Other long-term liabilities | Non-Qualified Defined Benefit Retirement Plan      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Plan obligation included in liabilities 11,053 12,461  
Other long-term assets | Executive Deferred Compensation Plan      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Cash surrender value on life insurance contracts included in other long-term assets 40,723 $ 42,699  
Minimum | Non-Qualified Defined Benefit Retirement Plan      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Annual benefit payments for the next 10 years 1,000    
Maximum | Non-Qualified Defined Benefit Retirement Plan      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Annual benefit payments for the next 10 years $ 1,100